大约有 13,000 项符合查询结果(耗时:0.0268秒) [XML]

https://stackoverflow.com/ques... 

XSD - how to allow elements in any order any number of times?

...e unbounded would have to go on the elements instead: Edit: Fixed type in XML. Edit: Capitalised O in maxOccurs <xs:element name="foo"> <xs:complexType> <xs:choice maxOccurs="unbounded"> <xs:element name="child1" type="xs:int" maxOccurs="unbounded"/> ...
https://stackoverflow.com/ques... 

How can I convert an RGB image into grayscale in Python?

... @BluePython: LA mode has luminosity (brightness) and alpha. If you use LA mode, then greyscale.png will be an RGBA image with the alpha channel of image.png preserved. If you use L mode, then greyscale.png will be an RGB image (wi...
https://stackoverflow.com/ques... 

Access multiple elements of list knowing their index

...aster than simply typing out the desired indexes inside parentheses, using Python 3.44 – ragardner Oct 16 '17 at 9:42 ...
https://stackoverflow.com/ques... 

How to dynamically compose an OR query filter in Django?

... I would debate that it is more pythonic to use the builtin OR and AND operators (| and &). q_objects |= Q(pk=item) – Bobort Aug 24 '16 at 15:46 ...
https://stackoverflow.com/ques... 

Check if a string contains a number

... use str.isalpha() Ref: https://docs.python.org/2/library/stdtypes.html#str.isalpha Return true if all characters in the string are alphabetic and there is at least one character, false otherwise. ...
https://stackoverflow.com/ques... 

How can I use Spring Security without sessions?

...rect answer for Java config, mirroring what @sappenin correctly stated for xml config in a comment on the accepted answer. We use this method and indeed our application is sessionless. – Paul Jul 28 '14 at 15:58 ...
https://stackoverflow.com/ques... 

What is the most efficient way to loop through dataframes with pandas? [duplicate]

... BTW itertuples returns named tuples ( docs.python.org/3/library/…) so you can access each column by name with row.high or getattr(row,'high') – seanv507 Apr 17 '16 at 18:51 ...
https://stackoverflow.com/ques... 

Putting an if-elif-else statement on one line?

I have read the links below, but it doesn't address my question. Does Python have a ternary conditional operator? (the question is about condensing if-else statement to one line) ...
https://stackoverflow.com/ques... 

Call a function from another file?

...unction(a, b). The reason why this may not work, is because file is one of Python's core modules, so I suggest you change the name of your file. Note that if you're trying to import functions from a.py to a file called b.py, you will need to make sure that a.py and b.py are in the same directory. ...
https://stackoverflow.com/ques... 

python pandas remove duplicate columns

... Lovely solution but on April 26, 2017 I got /usr/local/lib/python3.5/dist-packages/ipykernel_launcher.py:17: DeprecationWarning: 'pandas.core.common.array_equivalent' is deprecated and is no longer public API – George Fisher Apr 26 '17 at 12:35 ...